Finding the Fourth Proportional to 9,614.77, 13,270.79 and 5,425.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,614.77 : 13,270.79 = 5,425.45 : x
2. Step 2: Convert to fraction form
   9,614.77/13,270.79 = 5,425.45/x
3. Step 3: Cross multiply
   9,614.77x = 13,270.79 × 5,425.45
4. Step 4: Simplify right side
   9,614.77x = 72,000,007.61
5. Step 5: Solve for x
   x = 72,000,007.61/9,614.77
6. Step 6: Final answer
   x = 7,488.48